Quarter	US dollars
2004-12-31	-27
2005-03-31	-19
2005-06-30	-11
2005-09-30	-85
2005-12-31	-688
2006-03-31	-125
2006-06-30	-59
2006-09-30	-93
2006-12-31	-112
2007-03-31	-167
2007-06-30	134
2007-09-30	-12
2007-12-31	-36
2008-03-31	-64
2008-06-30	153
2008-09-30	-312
2008-12-31	-627
2009-03-31	-767
2009-06-30	63
2009-09-30	29
2009-12-31	-84
2010-03-31	-76
2010-06-30	-66
2010-09-30	-298
2010-12-31	-61
2011-03-31	-55
2011-06-30	-35
2011-09-30	-81
2011-12-31	261
2012-03-31	-382
2012-06-30	-240
2012-09-30	-257
2012-12-31	-399
2013-03-31	-147
2013-06-30	-231
2013-09-30	-274
2013-12-31	-38
2014-03-31	-47
2014-06-30	-137
2014-09-30	-94
2014-12-31	-126
2015-03-31	-64
2015-06-30	-214
2015-09-30	-153
2015-12-31	-119
2016-03-31	-131
2016-06-30	-110
2016-09-30	-94
2016-12-31	-81
2017-03-31	-338
2017-06-30	34
2017-09-30	177
2017-12-31	101
2018-03-31	-676
2018-06-30	-687
2018-09-30	-776
2018-12-31	-258
2019-03-31	-4
2019-06-30	-321
2019-09-30	-743
2019-12-31	-760
2020-03-31	-739
2020-06-30	-628
2020-09-30	-730
2020-12-31	-568
2021-03-31	-542
2021-06-30	-166
2021-09-30	-239
2021-12-31	-233
2022-03-31	-224
2022-06-30	-106
2022-09-30	-270
2022-12-31	-152
2023-03-31	-94
2023-06-30	-45
2023-09-30	-298